removed RegExp & added nullable to match methods

Author: bergos

interface-spec.html

@@ -442,7 +442,7 @@ <h3><dfn>Source</dfn> interface</h3>
 
     <pre class="idl">
     interface Source {
-      Stream match(optional (Term or RegExp) subject, optional (Term or RegExp) predicate, optional (Term or RegExp) object, optional (Term or RegExp) graph);
+      Stream match(optional Term? subject, optional Term? predicate, optional Term? object, optional Term? graph);
     };
     </pre>
 
@@ -490,7 +490,7 @@ <h3><dfn>Store</dfn> interface</h3>
     <pre class="idl">
     interface Store {
       EventEmitter remove(Stream stream);
-      EventEmitter removeMatches(optional (Term or RegExp) subject, optional (Term or RegExp) predicate, optional (Term or RegExp) object, optional (Term or RegExp) graph);
+      EventEmitter removeMatches(optional Term? subject, optional Term? predicate, optional Term? object, optional Term? graph);
       EventEmitter deleteGraph((Term or string) graph);
     };